Here is a metal shield that you can use for tactical training and self defense. The Shindn Metal Shield comes with a window breaker. It has a protective part with 4mm thick aluminum alloy plate and three high-strength zinc-manganese alloy bars with serrations. It measures 16.5 inches long.
This metal shield has a lightweight design, so you can easily wear it. It weighs only 0.96lb
[where to get it]